The BMW Z4 is a rear-wheel drive sports car by the German Car maker BMW. It follows a line of past BMW roadsters such as the BMW Z1, BMW 507, and the BMW Z3. The Z4 replaces the Z3. First generation production started in 2002 at BMW's Spartanburg, South Carolina plant, with production of both roadster and coupe forms. When debuted, it won Automobile Magazine "Design of the Year Award". Starting with the 2009 model year, the second-generation Z4 is built at BMW's Regensburg, Germany plant as a retractable hardtop roadster. In 2009, the BMW Z4 won the Red Dot Design Award.

First Generation E85

The first-generation BMW Z4 was designated the E85 in roadster form and E86 in coupι form. It was designed by Danish BMW-designer Anders Warming.[1]

From 2006 the Z4 Roadster is available as a 3.0i (3.0 L I6 with 215 hp), a 3.0si available with the new generation 3.0 L I6 with 255 hp (190 kW) , a 2.5si with a 2.5 I6 with 218 bhp (163 kW; 221 PS) or a 2.0i with a 150 bhp (112 kW; 152 PS) 2.0 L I4. The Z4 coupι is available only in the high-performance 3.0si trim powered by the 3.0 L 255 hp (190 kW) I6. The Z4 (E85 Roadster/E86 Coupe) was built at the Spartanburg plant.

The Z4 ///M

The Z4 M is powered by a slightly detuned 3.2-litre BMW M3 CSL (E46) straight-six engine. Performance figures are: 3,246 cc displacement, 330 bhp (246 kW; 335 PS) at 7,900 rpm, 262 lb·ft (355 N·m) of torque at 4,900 rpm, 8,000 rpm redline. Output per litre is 103 bhp (77 kW; 104 PS) , and power-to-weight ratio is 9.9 lb/bhp. Acceleration to 60 mph (100 km/h) comes in 4.8 seconds and top speed is limited electronically to 155 mph (249 km/h).

The Second Generation E89

The vehicle was originally announced in 2008-12-13. The vehicle was unveiled in 2009 North American International Auto Show in Detroit. This time a coupι-convertible with folding hardtop, the Z4 (E89) will be built in Regensburg alongside the (E93) 3-Series Cabrio.

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BMW Chassis Codes

E3 – 2500, 2800, Bavaria, 3.0s/si
E9 – 2500cs, 2800cs, 3.0cs
E10 – 1600, 2002, 2002tii
E12 – 528i, 530i through 1981
E21 – 3 series (320i, 323i) 1977-1983
E23 - 7 series 1978-1987
E24 – 6 series 1977-1989
E26 - M1 1978-1981
E28 – 5 series 1982-1988
E30 – 3 series 1984-1991
E31 – 8 series 1990-1997
E32 – 7 series 1988-1994
E34 – 5 series 1989-1995
E36 – 3 series 1992-1999
E36/5 – 3 series 318ti 1995-1999
E36/7 – Z3 roadster 1996-2002
E36/8 – Z3 coupe 1998-2002
E38 – 7 series 1995-2001
E39 – 5 series 1997-2003
E46 – 3 series 1999-2006
E52 – Z8 roadster 2000-2003
E53 – X5 1999-2006
E60 – 5 series 2004-2010
E61 – 5 series wagon 2004-2010
E63 – 6 series 2004-on
E64 – 6 series convertible 2004-on
E65 – 7 series 2002-2008
E66 – 7 series Li 2002-2008
E70 – X5 2007-on
E71 – X6
E81 - 1 series three-door hatchback 2007-2011
E82 – 1 series coupe 2008-on
E83 – X3 2003-on
E85 – Z4 roadster 2003-2008
E86 – Z4 coupe 2006-2008
E87 - 1 series five-door hatchback 2004-2011
E88 – 1 series convertible 2008-on
E89 – Z4 2009-on
E90 – 3 series sedan 2006-on
E91 – 3 series wagon 2006-on
E92 – 3 series coupe 2007-on
E93 – 3 series convertible 2007-on
F01 – 7 series 2009-on
F02 – 7 series Li 2009-on
F07 – 5 series GT 2011-on
F10 – 5 series 2011-on
F20 - 1 series five-door hatchback 2011-on
F30 - 3 series sedan 2012-on